Cod sursa(job #266522)
Utilizator | Data | 25 februarie 2009 18:56:26 | |
---|---|---|---|
Problema | Factorial | Scor | 15 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.28 kb |
#include<iostream.h>
#include<fstream.h>
ifstream f("fact.in");
ofstream g("fact.out");
long long p,nr,x,q=0;
int main()
{f>>p;
while(q<p)
{q++; nr+=5;
x=nr;
while(x)
{if(x%25==0)
q++; x/=5;
}
}
if(q==p) g<<nr;
else g<<-1;
return 0;
}